@ARTICLE{
author={Petrasinovic Danilo M,Rasuo Bosko P,Petrasinovic Nikola},
year={2012},
title={Extended Finite Element Method (Xfem) Applied to Aircraft Duralumin Spar Fatigue Life Estimation},
journal={TEHNICKI VJESNIK-TECHNICAL GAZETTE},
volume={19},
number={3},
pages={557-562},
document_type={Article},
}